List of Articles Hamid Reza Nadri Article 1 - Analytical and Numerical Study of Pre-Stress Effect in Piezoelectric Sandwich Type Ultrasonic Transducer 10.30495/admt.2021.1904847.1204 Hamidreza Nadri Mahdi Shaban Abbas Pak International Journal of Advanced Design and Manufacturing Technology , Issue 54 , Year , Winter 2024